What is associated with: a blow on the head sends a man back to camelot in this 1889 mark twain novel?

Based on the clue 'a bloody maria is the same as a bloody mary except...', what is the answer? Based on the clue 'a bloody mary a bloody bull both contain this spi...', what is the answer? Based on the clue 'a bloody mary for example', what is the answer? Based on the clue 'a blouse with lace collar cuffs is part of the co...', what is the answer? Based on the clue 'a blow to the back of the neck is the punch named ...', what is the answer? Based on the clue 'a blow to the nose may cause this partition to bec...', what is the answer? Based on the clue 'a blow with a whip', what is the answer? Based on the clue 'a blue black tongued dog or the food it eats', what is the answer?